clk: qcom: clk-cpu-osm: Remove sdm845v1 support

Supporting sdm845v1 just adds extra complexity with no benefit as no
production devices are shipping with sdm845v1. Remove support for this
obscure platform altogether to simplify the driver.

Signed-off-by: Danny Lin <danny@kdrag0n.dev>

Author: kdrag0n

drivers/clk/qcom/clk-cpu-osm.c

@@ -58,17 +58,13 @@
 #define CORE_DCVS_CTRL			0xbc
 #define PSTATE_STATUS			0x700
 
-#define DCVS_PERF_STATE_DESIRED_REG_0_V1	0x780
-#define DCVS_PERF_STATE_DESIRED_REG_0_V2	0x920
-#define DCVS_PERF_STATE_DESIRED_REG(n, v1) \
-	(((v1) ? DCVS_PERF_STATE_DESIRED_REG_0_V1 \
-		: DCVS_PERF_STATE_DESIRED_REG_0_V2) + 4 * (n))
-
-#define OSM_CYCLE_COUNTER_STATUS_REG_0_V1	0x7d0
-#define OSM_CYCLE_COUNTER_STATUS_REG_0_V2	0x9c0
-#define OSM_CYCLE_COUNTER_STATUS_REG(n, v1) \
-	(((v1) ? OSM_CYCLE_COUNTER_STATUS_REG_0_V1 \
-		: OSM_CYCLE_COUNTER_STATUS_REG_0_V2) + 4 * (n))
+#define DCVS_PERF_STATE_DESIRED_REG_0	0x920
+#define DCVS_PERF_STATE_DESIRED_REG(n) \
+	(DCVS_PERF_STATE_DESIRED_REG_0 + 4 * (n))
+
+#define OSM_CYCLE_COUNTER_STATUS_REG_0	0x9c0
+#define OSM_CYCLE_COUNTER_STATUS_REG(n) \
+	(OSM_CYCLE_COUNTER_STATUS_REG_0 + 4 * (n))
 
 static DEFINE_VDD_REGS_INIT(vdd_l3_mx_ao, 1);
 static DEFINE_VDD_REGS_INIT(vdd_pwrcl_mx_ao, 1);
@@ -101,8 +97,6 @@ struct clk_osm {
 	struct mutex update_lock;
 };
 
-static bool is_sdm845v1;
-
 static inline struct clk_osm *to_clk_osm(struct clk_hw *_hw)
 {
 	return container_of(_hw, struct clk_osm, hw);
@@ -224,9 +218,7 @@ static int clk_cpu_set_rate(struct clk_hw *hw, unsigned long rate,
 	}
 
 	core_num = parent->per_core_dcvs ? c->core_num : 0;
-	clk_osm_write_reg(parent, index,
-				DCVS_PERF_STATE_DESIRED_REG(core_num,
-							is_sdm845v1));
+	clk_osm_write_reg(parent, index, DCVS_PERF_STATE_DESIRED_REG(core_num));
 
 	/* Make sure the write goes through before proceeding */
 	clk_osm_mb(parent);
@@ -246,9 +238,7 @@ static unsigned long clk_cpu_recalc_rate(struct clk_hw *hw,
 		return -EINVAL;
 
 	core_num = parent->per_core_dcvs ? c->core_num : 0;
-	index = clk_osm_read_reg(parent,
-				DCVS_PERF_STATE_DESIRED_REG(core_num,
-							is_sdm845v1));
+	index = clk_osm_read_reg(parent, DCVS_PERF_STATE_DESIRED_REG(core_num));
 	return parent->osm_table[index].frequency;
 }
 
@@ -292,8 +282,7 @@ static int l3_clk_set_rate(struct clk_hw *hw, unsigned long rate,
 	}
 	pr_debug("rate: %lu --> index %d\n", rate, index);
 
-	clk_osm_write_reg(cpuclk, index,
-				DCVS_PERF_STATE_DESIRED_REG(0, is_sdm845v1));
+	clk_osm_write_reg(cpuclk, index, DCVS_PERF_STATE_DESIRED_REG(0));
 
 	/* Make sure the write goes through before proceeding */
 	clk_osm_mb(cpuclk);
@@ -329,8 +318,7 @@ static unsigned long l3_clk_recalc_rate(struct clk_hw *hw,
 	if (!cpuclk)
 		return -EINVAL;
 
-	index = clk_osm_read_reg(cpuclk,
-				DCVS_PERF_STATE_DESIRED_REG(0, is_sdm845v1));
+	index = clk_osm_read_reg(cpuclk, DCVS_PERF_STATE_DESIRED_REG(0));
 
 	pr_debug("%s: Index %d, freq %ld\n", __func__, index,
 				cpuclk->osm_table[index].frequency);
@@ -681,8 +669,7 @@ osm_set_index(struct clk_osm *c, unsigned int index)
 	/* Skip the update if the current rate is the same as the new one */
 	mutex_lock(&parent->update_lock);
 	current_index = clk_osm_read_reg(parent,
-				DCVS_PERF_STATE_DESIRED_REG(core_num,
-							is_sdm845v1));
+				DCVS_PERF_STATE_DESIRED_REG(core_num));
 	if (current_index == index)
 		goto unlock;
 
@@ -718,7 +705,7 @@ static unsigned int osm_cpufreq_get(unsigned int cpu)
 
 	c = policy->driver_data;
 	index = clk_osm_read_reg(c,
-			DCVS_PERF_STATE_DESIRED_REG(c->core_num, is_sdm845v1));
+			DCVS_PERF_STATE_DESIRED_REG(c->core_num));
 	curr_lval = CURRENT_LVAL(clk_osm_read_reg(c, PSTATE_STATUS));
 
 	if (policy->freq_table[index].frequency == OSM_INIT_RATE / 1000)
@@ -1009,7 +996,7 @@ static u64 clk_osm_get_cpu_cycle_counter(int cpu)
 	 */
 	core_num = parent->per_core_dcvs ? c->core_num : 0;
 	val = clk_osm_read_reg_no_log(parent,
-			OSM_CYCLE_COUNTER_STATUS_REG(core_num, is_sdm845v1));
+			OSM_CYCLE_COUNTER_STATUS_REG(core_num));
 
 	if (val < c->prev_cycle_counter) {
 		/* Handle counter overflow */
@@ -1246,9 +1233,6 @@ static int clk_cpu_osm_driver_probe(struct platform_device *pdev)
 		return PTR_ERR(ext_xo_clk);
 	}
 
-	is_sdm845v1 = of_device_is_compatible(pdev->dev.of_node,
-					"qcom,clk-cpu-osm");
-
 	if (of_device_is_compatible(pdev->dev.of_node,
 					 "qcom,clk-cpu-osm-sdm670"))
 		clk_cpu_osm_driver_sdm670_fixup();